* {
    box-sizing: border-box;
}

body {
    font: 14px/1.5 "Microsoft YaHei", Tahoma, "simsun", sans-serif;
}


.fl {
    float: left;
}

.fr {
    float: right;
}

.block {
    display: block;
}

.top-banner {
    width: 100%;
    height: 42px;
    background: #fff;
    border-bottom: 1px solid #ccc;
}

.top-banner .banner-inner {
    width: 990px;
    height: 100%;
    margin: 0 auto;
    /* background: red; */
    padding: 0 5px;
    position: relative;
}

.top-banner .banner-inner .logo {
    width: 150px;
    height: 100%;
    z-index: 1000;
    position: relative;
}

.top-banner .banner-inner .logo a {
    display: block;
    width: 100%;
    height: 100%;
    background: url("../imgs/logo_tx.png") no-repeat center/75%;
}

.top-banner .banner-inner .advert {
    width: 230px;
    height: 100%;
}

.top-banner .banner-inner .advert .big {
    width: 977px;
    height: 0;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    margin: 0 auto;
    z-index: 100;
    /* display: none; */
    /* opacity: 0; */
}

.top-banner .banner-inner .advert:hover .big {
    /* display: block; */
    /* opacity: 1; */
    height: 188px;

}

.top-banner .banner-inner .advert .small {
    width: 100%;
    height: 100%;
}

.top-banner .banner-inner .menu {
    width: 300px;
    height: 100%;
    line-height: 41px;
}

.top-banner .banner-inner .menu .menu1 {
    width: 118px;
    height: 100%;
    margin-left: 21px;
    margin-right: 20px;
    position: relative;
}

.top-banner .banner-inner .menu .menu1::before {
    content: "";
    display: block;
    width: 20px;
    height: 20px;
    /* border: 1px solid; */
    position: absolute;
    top: 0;
    bottom: 0;
    margin: auto 0;
    left: 10px;
    background: url("../imgs/title_sprite.webp") no-repeat -35px -5px;
}

.top-banner .banner-inner .menu .menu1 a {
    margin-left: 34px;
}

.top-banner .banner-inner .menu .menu1 a:hover {
    color: #f40;
}

.top-banner .banner-inner .menu .menu2 {
    width: 141px;
    height: 100%;
    position: relative;
    cursor: pointer;
}

.top-banner .banner-inner .menu .menu2::before {
    content: "";
    display: block;
    width: 20px;
    height: 20px;
    /* border: 1px solid; */
    position: absolute;
    top: 0;
    bottom: 0;
    margin: auto 0;
    right: 10px;
    background: url("../imgs/title_sprite.webp") no-repeat -7px -7px;
    transform: rotate(90deg);
    opacity: 0.1;
}

.top-nav {
    width: 100%;
    height: 84px;
    background: #000000c8;
}

.top-nav .main-nav {
    width: 1300px;
    height: 100%;
    margin: 0 auto;
    /* background: red; */
}

.top-nav .main-nav h1 {
    width: 200px;
    height: 100%;
    position: relative;
}

.top-nav .main-nav h1 a {
    position: absolute;
    top: 0;
    bottom: 0;
    margin: auto 0;
    left: 0;
    width: 100%;
    height: 54px;
    background: url("../imgs/logo_wz.png") no-repeat 0px 1px/100%;
    text-indent: -100px;
    overflow: hidden;
}

.top-nav .main-nav nav {
    width: 890px;
    height: 100%;
    /* background: green; */
    margin-left: 30px;
}

.top-nav .main-nav nav ul {
    width: 100%;
    height: 100%;
}

.top-nav .main-nav nav ul li {
    width: 110px;
    height: 100%;
    margin-right: 5px;
    /* background: pink; */
    /* float: left; */
}

.top-nav .main-nav nav ul li:hover {
    background: url("../imgs/index.png") no-repeat;
}

.top-nav .main-nav nav ul li a {
    font-size: 18px;
    color: #c9c9dd;
    display: block;
    width: 100%;
    height: 100%;
    text-align: center;
    padding-top: 22px;
}

.top-nav .main-nav nav ul li a span {
    font-size: 12px;
    color: #858792;
    display: block;
    padding-top: 5px;
}

.top-nav .main-nav .login-pannel {
    width: 180px;
    height: 100%;
    padding-top: 21px;
    margin-left: -2px;
}

.top-nav .main-nav .login-pannel .avatar {
    display: block;
    width: 44px;
    height: 44px;
    border: 1px solid #d9ad50;
    border-radius: 50%;
    background: url("../imgs/avatar.png") no-repeat;
}

.top-nav .main-nav .login-pannel .unlogin {
    margin-left: 7px;
}

.top-nav .main-nav .login-pannel .unlogin a {
    font-size: 16px;
    color: #fff;
}

.top-nav .main-nav .login-pannel .unlogin span {
    color: #ccc;
}

.top-nav .sub-nav {
    width: 100%;
    height: 0;
    background-color: inherit;
    transition: height 0.5s;
    overflow: hidden;
    /* display: none; */
}

.top-nav:hover .sub-nav {
    /* display: block; */
    height: 285px;
}

.bg-wrapper {
    width: 100%;
    height: 456px;
    position: relative;
}

.bg-wrapper .bg {
    width: 100%;
    height: 1000px;
    position: absolute;
    top: -84px;
    z-index: -1;
    background: url("../imgs/bg.jpg") no-repeat center top;
}

.bg-wrapper a {
    display: block;
    width: 1200px;
    height: 440px;
    margin: 0 auto;
    overflow: hidden;
    text-indent: -100px;
}

.content {
    width: 1200px;
    height: 1000px;
    margin: 0 auto;
    background: red;
}